Home / 85,785.84-118,384.38-48,060.36

Finding the Fourth Proportional to 85,785.84, 118,384.38 and 48,060.36

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Solution

The fourth proportional to 85,785.84, 118,384.38 and 48,060.36 is: 66,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,785.84 : 118,384.38 = 48,060.36 : x
  2. Step 2: Convert to fraction form
    85,785.84/118,384.38 = 48,060.36/x
  3. Step 3: Cross multiply
    85,785.84x = 118,384.38 × 48,060.36
  4. Step 4: Simplify right side
    85,785.84x = 5,689,595,921.18
  5. Step 5: Solve for x
    x = 5,689,595,921.18/85,785.84
  6. Step 6: Final answer
    x = 66,323.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.